1010521245 has 16 divisors (see below), whose sum is σ = 1660533120. Its totient is φ = 524378304.

The previous prime is 1010521223. The next prime is 1010521283. The reversal of 1010521245 is 5421250101.

It is not a de Polignac number, because 1010521245 - 2⁷ = 1010521117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909825 + ... + 910934.

It is an arithmetic number, because the mean of its divisors is an integer number (103783320).

Almost surely, 2^1010521245 is an apocalyptic number.

1010521245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1010521245 is a deficient number, since it is larger than the sum of its proper divisors (650011875).

1010521245 is a wasteful number, since it uses less digits than its factorization.

1010521245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820804.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1010521245 is about 31788.6968119173. The cubic root of 1010521245 is about 1003.4948534374.

Adding to 1010521245 its reverse (5421250101), we get a palindrome (6431771346).

The spelling of 1010521245 in words is "one billion, ten million, five hundred twenty-one thousand, two hundred forty-five".